Scientists confront the challenges of the Arctic in support of ESA's ice mission   View of the UK2 camp at an altitude of 2000 metres. The site, constantly subjected to katabatic winds, was home to researchers from the universities of Glasgow and Aberdeen in the UK.   Artist's impression of CryoSat in orbit.   Researchers unloading equipment from the Air Greenland Twin Otter plane onto the Greenland ice-sheet in June 2004.   Scientists installing a corner reflector in Svalbard, Norway, to calibrate the radar-altimeter aircraft measurements.   CryoVex researchers performing ground measurements and snow sampling in a snow pit. Release date: 9 August 2005